GCMS sample analysis results, AE11906, June 3, 2002

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Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11906.

NYC-WTC_000012966–000012988

Folder label: “GCMS X 5-21-02 A 5-22-02”

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NYC 9/11 Public Portal Document Library Search Compound Report Data File : C:\MSDCHEM\l\DATA\052202\11906.D Vial: 13 Acq On : 22 May 2002 11:36 pm Operator: Mclean Sample : 5/21 ad Inst : Instrumen Mise Multiplr: 1.00 MS Integration Params: LSCINT.e Quant Method : C:\MSDCHEM\1\METHODS\050102.M (Chemstation Integrator) Title : 508 Modified GC/MS scan 71 Library : C:\DATABASE\NIST98.L ********************************************************************* Peak Number 2 4H-1,2,4-Triazol-4-amine Concentration Rank 2 R.T. EstConc Area Relative to I STD R.T. 3.72 2.22 ug/L 1725660 1,4-Dichlorobenzene-d4 9.90 Hit# of 5 Tentative ID MW MolForm CAS# Qual 1 4H-1,2,4-Triazol-4-amine 84 C2H4N4 000584-13/4 5 2 Thiophene 84 C4H4S 000110-02-1 5 3 2-Amino-oxazole 84 C3H4N2O 1000144/64-0 5 4 3-Amino-s-triazole 84 C2H4N4 000061-82-5 4 Abundance Scan 109 (3,720 min): 11906.D (-107) (-) m/z 84.00 V100.00% 84

5000 43 88 48 = ' ‘ ‘ I ‘ ‘ ‘ I ' ‘ ‘ ‘ I ‘ ' I ‘ 1 ‘ ‘ 1 52 58 3.40 3.60 .3.80 4.00 38, 0! ■ ■ ।' ■ •11 “' ■ । “ " ।" ■ ■ । “ • । •' “ । ■ ■ I “' ■ । ■ amp 1 m/z 43.10 36.78% miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #107976:4H-1,2,4-Triazol-4-amine 28 84

5000 /t/*1/7/1/TEE/8//-1/-/"/-1n"/"T 3.40 3,60 3.80 4.00 18 42 m/z 88.00 24.12% 01 -----pH.,.? 31..393911145 53 57 69 ! 11111 r 1111, i. i "| t . 1111 r< r|! > i ij () > Topo /

miz-> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 Abundance #116585: Thiophene 84 1 ( 1 I ‘ 1 1 ’ I 1 ' ‘ I ' 1 1 ‘ 1 ' ‘ ‘ ‘ 1 3.40 3.60 3.80 4.00 58 5000 m/z 48.10 18.05% 45

miz-> Of THgtbt l ! I 50 12 18 26 32 36, 42 39 [61 69 76 81, 11 I l'i q I ! I I [l l i q i i H jl l i q l'i l q I ll

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 7 aw./uma Abundance #33688: 2-Amino-oxazole ' ‘ ' I ‘ ‘ ‘ ' I ‘ ‘ ‘ I 1 ' ‘ ‘ 1 ' ‘ ‘ ‘ I 84 3.40 3.60 3.80 4.00 m/z 47.05 16.93% 56 5000 42 38 । 53 0 —pmimpth 31 —HH+# "31111011115 1 ‘ I ‘ 1 ' ‘ ‘ ‘ I ‘ ‘ ‘ ) 1 ‘ ‘ ’ I m/z—> 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 3.40 3.60 3.80 4.00

11906.D 052202.M Tue May 28 12:13:06 2002 Page 5

NYC-WTC_000012975

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GCMS sample analysis results, AE11907, June 4, 2002 · Box DEP Box 15

NYC-WTC_000012989

Laboratory report presenting analytical results for target compounds and surrogate recovery data for water sample AE11907.

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